5 vibrations speeds and 5 functions 4 unique attachments Body-safe silicone Waterproof Phthalate free RoHS compliant Materials: Silicone, ABS bullet Size: Bullet Length – 2.375in., Buttplug Length – 4.25in., Dual Bulb Plug Length – 4.25in., Tri-Bulb Plug Length – 5.5in., Five Bulb Plug Length – 7in. Rechargeable bullet – no batteries necessary Charging time: 2 hours Use time: 40 minutes